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Helix-turn-helix is a DNA-binding domain (DBD). The helix-turn-helix (HTH) is a major structural motif capable of binding DNA. Each monomer incorporates...

general sequence motif associated with three-helix bundles, so they cannot necessarily be predicted from sequence alone. Three-helix bundles often occur in...

dimerizing proteins. A pair of coiled-coils – a four-helix bundle – is a very common structural motif in proteins. For example, it occurs in human growth...

of a helix hairpin is unknown; however, a four helix bundle is composed of two helix hairpins, which have important ligand binding sites. A helix corner...

core trans-SNARE complex is a four- α {\displaystyle \alpha } -helix bundle, where one α {\displaystyle \alpha } -helix is contributed by syntaxin 1,...

more tertiary structural motifs will be revealed as new RNA and DNA molecules are structurally characterized. The double helix is the dominant tertiary...

structure of FAT shows it to form a four-helix bundle that binds specifically to Leucine-Aspartate (LD)-repeat motif peptides in the related focal adhesion...

the ApoL1 and ApoL2 N-terminal domains reveal a non-classical four-helix bundle motif". Communications Biology. 4 (1): 916. doi:10.1038/s42003-021-02387-5...

acids long. It is formed by a 3-helical bundle and a 4-strand beta-sheet (wing). The basic helix-loop-helix (bHLH) domain is found in some transcription...

utilization can be expressed. The lac repressor (LacI) operates by a helix-turn-helix motif in its DNA-binding domain, binding base-specifically to the major...

association with the vacuolar membrane. The helical bundle domain has a three helix bundle structure that holds four important histidines that are thought to play...

folding motif". Trends in Cell Biology. 11 (2): 82–88. doi:10.1016/s0962-8924(00)01898-5. PMID 11166216. Pace, C N; Scholtz, J M (1998-07-01). "A helix propensity...

domain forms a four-helical bundle structure. The HTH motif comprises the second and third helices, known as the scaffold and recognition helix, respectively...

12-fold symmetry. Each monomer is composed of 174 residues and forms four-helix bundle structure. The crystal structure revealed three unpredicted features...

elements, such as β-α-β units or a helix-turn-helix motif. Some of them may be also referred to as structural motifs. A protein fold refers to the general...

most common tertiary structures of these proteins are transmembrane helix bundle and beta barrel. The portion of the membrane proteins that are attached...

as an alpha helix and exists as an uncoiled strand. Helices that cover the inner membrane line the channel. These also form a 6 helix bundle that signifies...

membrane-bound cytochrome b consisting of four transmembrane helices and two heme b groups which produce a four-helix bundle which aids in heme binding. The heme...

complex, two α-helices from each subunit come together to form a four-helix bundle. On the interacting helices are residues Glu144 and Arg145, which...

Robertson DE, DeGrado WF (1994-02-01). "Design of a heme-binding four-helix bundle". Journal of the American Chemical Society. 116 (3): 856–865. doi:10...